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https://github.com/love2d/love-android.git
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Martin Felis
151 lines
6.3 KiB
C
151 lines
6.3 KiB
C
//-----------------------------------------------------------------------------
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//
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// ImageLib Sources
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// Copyright (C) 2000-2009 by Denton Woods
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// Last modified: 02/26/2009
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//
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// Filename: src-IL/include/il_dpx.h
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//
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// Description: Reads from a Digital Picture Exchange (.dpx) file.
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// Specifications for this format were found at
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// http://www.cineon.com/ff_draft.php and
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// http://www.fileformat.info/format/dpx/.
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//
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//-----------------------------------------------------------------------------
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#ifndef DPX_H
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#define DPX_H
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#include "il_internal.h"
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#ifdef _WIN32
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#pragma pack(push, packed_struct, 1)
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#endif
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typedef struct R32
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{
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ILubyte r, g, b, a;
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} IL_PACKSTRUCT R32;
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#ifdef _WIN32
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#pragma pack(pop, packed_struct)
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#endif
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typedef struct DPX_FILE_INFO
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{
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ILuint MagicNum; /* magic number 0x53445058 (SDPX) or 0x58504453 (XPDS) */
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ILuint Offset; /* offset to image data in bytes */
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ILbyte Vers[8]; /* which header format version is being used (v1.0)*/
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ILuint FileSize; /* file size in bytes */
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ILuint DittoKey; /* read time short cut - 0 = same, 1 = new */
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ILuint GenHdrSize; /* generic header length in bytes */
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ILuint IndHdrSize; /* industry header length in bytes */
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ILuint UserDataSize; /* user-defined data length in bytes */
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ILbyte FileName[100]; /* image file name */
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ILbyte CreateTime[24]; /* file creation date "yyyy:mm:dd:hh:mm:ss:LTZ" */
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ILbyte Creator[100]; /* file creator's name */
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ILbyte Project[200]; /* project name */
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ILbyte Copyright[200]; /* right to use or copyright info */
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ILuint Key; /* encryption ( FFFFFFFF = unencrypted ) */
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ILbyte Reserved[104]; /* reserved field TBD (need to pad) */
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} DPX_FILE_INFO;
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typedef struct DPX_IMAGE_ELEMENT
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{
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ILuint DataSign; /* data sign (0 = unsigned, 1 = signed ) */
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/* "Core set images are unsigned" */
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ILuint RefLowData; /* reference low data code value */
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R32 RefLowQuantity; /* reference low quantity represented */
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ILuint RefHighData; /* reference high data code value */
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R32 RefHighQuantity;/* reference high quantity represented */
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ILubyte Descriptor; /* descriptor for image element */
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ILubyte Transfer; /* transfer characteristics for element */
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ILubyte Colorimetric; /* colormetric specification for element */
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ILubyte BitSize; /* bit size for element */
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ILushort Packing; /* packing for element */
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ILushort Encoding; /* encoding for element */
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ILuint DataOffset; /* offset to data of element */
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ILuint EolPadding; /* end of line padding used in element */
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ILuint EoImagePadding; /* end of image padding used in element */
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ILbyte Description[32];/* description of element */
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} DPX_IMAGE_ELEMENT; /* NOTE THERE ARE EIGHT OF THESE */
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typedef struct DPX_IMAGE_INFO
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{
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ILushort Orientation; /* image orientation */
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ILushort NumElements; /* number of image elements */
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ILuint Width; /* or x value */
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ILuint Height; /* or y value, per element */
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DPX_IMAGE_ELEMENT ImageElement[8];
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ILubyte reserved[52]; /* reserved for future use (padding) */
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} DPX_IMAGE_INFO;
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typedef struct DPX_IMAGE_ORIENT
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{
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ILuint XOffset; /* X offset */
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ILuint YOffset; /* Y offset */
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R32 XCenter; /* X center */
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R32 YCenter; /* Y center */
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ILuint XOrigSize; /* X original size */
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ILuint YOrigSize; /* Y original size */
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ILbyte FileName[100]; /* source image file name */
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ILbyte CreationTime[24]; /* source image creation date and time */
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ILbyte InputDev[32]; /* input device name */
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ILbyte InputSerial[32]; /* input device serial number */
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ILushort Border[4]; /* border validity (XL, XR, YT, YB) */
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ILuint PixelAspect[2]; /* pixel aspect ratio (H:V) */
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ILubyte Reserved[28]; /* reserved for future use (padding) */
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} DPX_IMAGE_ORIENT;
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typedef struct DPX_MOTION_PICTURE_HEAD
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{
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ILbyte film_mfg_id[2]; /* film manufacturer ID code (2 digits from film edge code) */
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ILbyte film_type[2]; /* file type (2 digits from film edge code) */
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ILbyte offset[2]; /* offset in perfs (2 digits from film edge code)*/
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ILbyte prefix[6]; /* prefix (6 digits from film edge code) */
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ILbyte count[4]; /* count (4 digits from film edge code)*/
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ILbyte format[32]; /* format (i.e. academy) */
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ILuint frame_position; /* frame position in sequence */
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ILuint sequence_len; /* sequence length in frames */
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ILuint held_count; /* held count (1 = default) */
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R32 frame_rate; /* frame rate of original in frames/sec */
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R32 shutter_angle; /* shutter angle of camera in degrees */
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ILbyte frame_id[32]; /* frame identification (i.e. keyframe) */
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ILbyte slate_info[100]; /* slate information */
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ILubyte reserved[56]; /* reserved for future use (padding) */
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} DPX_MOTION_PICTURE_HEAD;
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typedef struct DPX_TELEVISION_HEAD
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{
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ILuint tim_code; /* SMPTE time code */
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ILuint userBits; /* SMPTE user bits */
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ILubyte interlace; /* interlace ( 0 = noninterlaced, 1 = 2:1 interlace*/
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ILubyte field_num; /* field number */
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ILubyte video_signal; /* video signal standard (table 4)*/
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ILubyte unused; /* used for byte alignment only */
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R32 hor_sample_rate; /* horizontal sampling rate in Hz */
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R32 ver_sample_rate; /* vertical sampling rate in Hz */
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R32 frame_rate; /* temporal sampling rate or frame rate in Hz */
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R32 time_offset; /* time offset from sync to first pixel */
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R32 gamma; /* gamma value */
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R32 black_level; /* black level code value */
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R32 black_gain; /* black gain */
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R32 break_point; /* breakpoint */
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R32 white_level; /* reference white level code value */
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R32 integration_times; /* integration time(s) */
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ILubyte reserved[76]; /* reserved for future use (padding) */
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} DPX_TELEVISION_HEAD;
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// For checking and reading
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ILboolean iIsValidDpx(void);
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//ILboolean iCheckDpx(DPXHEAD *Header);
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ILboolean iLoadDpxInternal(void);
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#endif//PCX_H
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